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AM3356: Boot issue

Part Number: AM3356

HI ,

We are having a board with AM3356 and we have observed the following issue .

The board has been successfully programmed and when powered ON , the board is not booting up . The Board boots up only after getting a WARMRSTn .

The PWRONRSTn is driven by the PMIC pin "nRESPWRON"


Please note that all the power rails are coming up correctly 

Please advice what to be checked 

 

Regards

Eby